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<FONT color="green">001</FONT>    package com.nokia.midp.example.jsr234.audio3d;<a name="line.1"></a>
<FONT color="green">002</FONT>    <a name="line.2"></a>
<FONT color="green">003</FONT>    import javax.microedition.lcdui.Command;<a name="line.3"></a>
<FONT color="green">004</FONT>    import javax.microedition.lcdui.CommandListener;<a name="line.4"></a>
<FONT color="green">005</FONT>    import javax.microedition.lcdui.Displayable;<a name="line.5"></a>
<FONT color="green">006</FONT>    import javax.microedition.lcdui.Form;<a name="line.6"></a>
<FONT color="green">007</FONT>    import javax.microedition.lcdui.TextField;<a name="line.7"></a>
<FONT color="green">008</FONT>    <a name="line.8"></a>
<FONT color="green">009</FONT>    /**<a name="line.9"></a>
<FONT color="green">010</FONT>     * Distance Attenuation Form to set Distance attenuation related parameters <a name="line.10"></a>
<FONT color="green">011</FONT>     * &lt;br&gt;<a name="line.11"></a>
<FONT color="green">012</FONT>     * The parameters for setting the distance attenuation taken from user <a name="line.12"></a>
<FONT color="green">013</FONT>     * &lt;br&gt;<a name="line.13"></a>
<FONT color="green">014</FONT>     * &lt;ol&gt;<a name="line.14"></a>
<FONT color="green">015</FONT>     * 1.Minimum attenuation distance - up to which distance gain is 1&lt;br&gt;<a name="line.15"></a>
<FONT color="green">016</FONT>     * 2.Maximum attenuation distances - after which the sound will be muted or held at same level depending on the muteAfterMax setting&lt;br&gt;<a name="line.16"></a>
<FONT color="green">017</FONT>     * 3.Roll off factor - The sound attenuation with distance is more when the this factor is more.&lt;br&gt;<a name="line.17"></a>
<FONT color="green">018</FONT>     * 4.muteafterMax - when true, sound is muted after max attenuation distance. when false, the sound is held at level which is at maximum attenuation distance<a name="line.18"></a>
<FONT color="green">019</FONT>     * &lt;/ol&gt;<a name="line.19"></a>
<FONT color="green">020</FONT>     * <a name="line.20"></a>
<FONT color="green">021</FONT>     * @author krn<a name="line.21"></a>
<FONT color="green">022</FONT>     */<a name="line.22"></a>
<FONT color="green">023</FONT>    public class DistAttenuationForm extends Form implements CommandListener {<a name="line.23"></a>
<FONT color="green">024</FONT>    <a name="line.24"></a>
<FONT color="green">025</FONT>            Audio3DMIDlet midlet;<a name="line.25"></a>
<FONT color="green">026</FONT>    <a name="line.26"></a>
<FONT color="green">027</FONT>            /**TextField to take min attenuation distance*/<a name="line.27"></a>
<FONT color="green">028</FONT>            TextField txtRmin = null;<a name="line.28"></a>
<FONT color="green">029</FONT>            <a name="line.29"></a>
<FONT color="green">030</FONT>            /**TextField to take max attenuation distance*/<a name="line.30"></a>
<FONT color="green">031</FONT>            TextField txtRmax = null;<a name="line.31"></a>
<FONT color="green">032</FONT>            <a name="line.32"></a>
<FONT color="green">033</FONT>            /**TextField to take Roll of Factor*/<a name="line.33"></a>
<FONT color="green">034</FONT>            TextField txtRF = null;<a name="line.34"></a>
<FONT color="green">035</FONT>            <a name="line.35"></a>
<FONT color="green">036</FONT>            /**TextField to take input for mute/unmute after max distance*/<a name="line.36"></a>
<FONT color="green">037</FONT>            TextField txtMuteAfterMax = null;<a name="line.37"></a>
<FONT color="green">038</FONT>    <a name="line.38"></a>
<FONT color="green">039</FONT>            /**OkCommand to apply the settings*/<a name="line.39"></a>
<FONT color="green">040</FONT>            Command okCommand = new Command("Set", Command.OK, 1);<a name="line.40"></a>
<FONT color="green">041</FONT>            <a name="line.41"></a>
<FONT color="green">042</FONT>            /**cancelCommand to revert back the changes*/<a name="line.42"></a>
<FONT color="green">043</FONT>            Command cancelCommand = new Command("Cancel", Command.CANCEL, 2);<a name="line.43"></a>
<FONT color="green">044</FONT>    <a name="line.44"></a>
<FONT color="green">045</FONT>            /**<a name="line.45"></a>
<FONT color="green">046</FONT>             * Constructor to initialize the Distance attenuation setting form<a name="line.46"></a>
<FONT color="green">047</FONT>             * @param title Distance attenuation setting form title<a name="line.47"></a>
<FONT color="green">048</FONT>             * @param midlet Audio3DMIDlet midlet reference<a name="line.48"></a>
<FONT color="green">049</FONT>             * <a name="line.49"></a>
<FONT color="green">050</FONT>             */<a name="line.50"></a>
<FONT color="green">051</FONT>            public DistAttenuationForm(String title, Audio3DMIDlet midlet) {<a name="line.51"></a>
<FONT color="green">052</FONT>                    super(title);<a name="line.52"></a>
<FONT color="green">053</FONT>    <a name="line.53"></a>
<FONT color="green">054</FONT>                    this.midlet = midlet;<a name="line.54"></a>
<FONT color="green">055</FONT>                    displayDistanceAttenuationSettingForm(midlet);<a name="line.55"></a>
<FONT color="green">056</FONT>    <a name="line.56"></a>
<FONT color="green">057</FONT>            }<a name="line.57"></a>
<FONT color="green">058</FONT>    <a name="line.58"></a>
<FONT color="green">059</FONT>            /**<a name="line.59"></a>
<FONT color="green">060</FONT>             * Display distance attenuation settings form. current values of Min and Max<a name="line.60"></a>
<FONT color="green">061</FONT>             * distance attenuation distances roll off factor and MutAfterMax condition<a name="line.61"></a>
<FONT color="green">062</FONT>             * is read and shown. User will enter the values within the range specified<a name="line.62"></a>
<FONT color="green">063</FONT>             * in the textfield provided <a name="line.63"></a>
<FONT color="green">064</FONT>             * <a name="line.64"></a>
<FONT color="green">065</FONT>             * @param midlet<a name="line.65"></a>
<FONT color="green">066</FONT>             *            Audio3DMIDlet reference<a name="line.66"></a>
<FONT color="green">067</FONT>             */<a name="line.67"></a>
<FONT color="green">068</FONT>            private void displayDistanceAttenuationSettingForm(Audio3DMIDlet midlet) {<a name="line.68"></a>
<FONT color="green">069</FONT>                    /*<a name="line.69"></a>
<FONT color="green">070</FONT>                     * current values of Min and Max distance attenuation distances<a name="line.70"></a>
<FONT color="green">071</FONT>                     * rolloff factor and MutAfterMax condition is read and shown<a name="line.71"></a>
<FONT color="green">072</FONT>                     */<a name="line.72"></a>
<FONT color="green">073</FONT>                    int Rmin = midlet.distAttnAttr.getDaRMin();<a name="line.73"></a>
<FONT color="green">074</FONT>                    int Rmax = midlet.distAttnAttr.getDaRMax();<a name="line.74"></a>
<FONT color="green">075</FONT>                    int RF = midlet.distAttnAttr.getRollOfFactor();<a name="line.75"></a>
<FONT color="green">076</FONT>                    boolean MafterM = midlet.distAttnAttr.isDaMuteAfterMax();<a name="line.76"></a>
<FONT color="green">077</FONT>    <a name="line.77"></a>
<FONT color="green">078</FONT>                    txtRmin = new TextField("Min Distance (in meter)", "" + Rmin, 6,<a name="line.78"></a>
<FONT color="green">079</FONT>                                    TextField.NUMERIC);<a name="line.79"></a>
<FONT color="green">080</FONT>                    txtRmax = new TextField("Max Distance (in meter)", "" + Rmax, 6,<a name="line.80"></a>
<FONT color="green">081</FONT>                                    TextField.NUMERIC);<a name="line.81"></a>
<FONT color="green">082</FONT>                    txtRF = new TextField("Roll off Factor (0 - 4)", "" + RF, 2,<a name="line.82"></a>
<FONT color="green">083</FONT>                                    TextField.DECIMAL);<a name="line.83"></a>
<FONT color="green">084</FONT>                    txtMuteAfterMax = new TextField("MuteAfterRmax(true or false)", ""<a name="line.84"></a>
<FONT color="green">085</FONT>                                    + MafterM, 6, TextField.ANY);<a name="line.85"></a>
<FONT color="green">086</FONT>                    append(txtRmin);<a name="line.86"></a>
<FONT color="green">087</FONT>                    append(txtRmax);<a name="line.87"></a>
<FONT color="green">088</FONT>                    append(txtRF);<a name="line.88"></a>
<FONT color="green">089</FONT>                    append(txtMuteAfterMax);<a name="line.89"></a>
<FONT color="green">090</FONT>                    addCommand(okCommand);<a name="line.90"></a>
<FONT color="green">091</FONT>                    addCommand(cancelCommand);<a name="line.91"></a>
<FONT color="green">092</FONT>                    setCommandListener(this);<a name="line.92"></a>
<FONT color="green">093</FONT>            }<a name="line.93"></a>
<FONT color="green">094</FONT>    <a name="line.94"></a>
<FONT color="green">095</FONT>            /**<a name="line.95"></a>
<FONT color="green">096</FONT>             * Handles Distance attenuation settings related commands<a name="line.96"></a>
<FONT color="green">097</FONT>             */<a name="line.97"></a>
<FONT color="green">098</FONT>            public void commandAction(Command c, Displayable d) {<a name="line.98"></a>
<FONT color="green">099</FONT>                    if (c == okCommand) {<a name="line.99"></a>
<FONT color="green">100</FONT>    <a name="line.100"></a>
<FONT color="green">101</FONT>                            //Values entered by the user are read and set for the distance attenuation<a name="line.101"></a>
<FONT color="green">102</FONT>    <a name="line.102"></a>
<FONT color="green">103</FONT>                            midlet.distAttnAttr.setDaRMin(Integer.parseInt(txtRmin.getString()<a name="line.103"></a>
<FONT color="green">104</FONT>                                            .trim()));<a name="line.104"></a>
<FONT color="green">105</FONT>                            midlet.distAttnAttr.setDaRMax(Integer.parseInt(txtRmax.getString()<a name="line.105"></a>
<FONT color="green">106</FONT>                                            .trim()));<a name="line.106"></a>
<FONT color="green">107</FONT>                            midlet.distAttnAttr.setRollOfFactor(Integer.parseInt(txtRF.getString()<a name="line.107"></a>
<FONT color="green">108</FONT>                                            .trim()));<a name="line.108"></a>
<FONT color="green">109</FONT>                            String Mute = txtMuteAfterMax.getString();<a name="line.109"></a>
<FONT color="green">110</FONT>                            if (Mute == "true") {<a name="line.110"></a>
<FONT color="green">111</FONT>                                    midlet.distAttnAttr.setDaMuteAfterMax(true);<a name="line.111"></a>
<FONT color="green">112</FONT>                            } else<a name="line.112"></a>
<FONT color="green">113</FONT>                                    midlet.distAttnAttr.setDaMuteAfterMax(false);<a name="line.113"></a>
<FONT color="green">114</FONT>    <a name="line.114"></a>
<FONT color="green">115</FONT>                            // Put some negative value to avoid the effect of key navigation<a name="line.115"></a>
<FONT color="green">116</FONT>                            midlet.audio3DCanvas.changeSourceLocation(-200, midlet);<a name="line.116"></a>
<FONT color="green">117</FONT>                    }<a name="line.117"></a>
<FONT color="green">118</FONT>                    midlet.display.setCurrent(midlet.audio3DCanvas);<a name="line.118"></a>
<FONT color="green">119</FONT>            }<a name="line.119"></a>
<FONT color="green">120</FONT>    <a name="line.120"></a>
<FONT color="green">121</FONT>    }<a name="line.121"></a>




























































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